Food Additives Encyclopedia

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triacetin ​

Basic Information ​

FieldContent
Chinese nametriacetin
English nametriacetin
INS/E numberINS 1518
Functional classCarrier, Emulsifier, Humectant
Year adopted1974
Approved byAustralia/New Zealand (FSANZ), European Union (EFSA)

What is it? ​

Triacetin (glycerol triacetate) is a colourless, odourless oily liquid produced by esterifying glycerol with acetic acid; it is a synthetic additive. It is used mainly as a solvent and plasticiser, and in chewing gum to inhibit microorganisms (antifungal).

Source ​

Industrial：甘油与乙酸在酸催化下酯化生成三乙酸甘油酯，经中和、蒸馏、精制制得

Why is it used? ​

  • Solvent for flavours and actives
  • Plasticiser in food-contact materials and capsules
  • Inhibits fungal growth in chewing gum
  • Improves coating/film flexibility
  • Low toxicity and readily metabolised

Common Foods ​

  • Chewing gum
  • Flavour and fragrance preparations
  • Capsule and tablet coatings
  • Food-contact coatings and films
  • Bakery products

Safety ​

ADI (Acceptable Daily Intake)：not limited

Concerns：

  • 主要来自食品接触材料与口香糖残留，须符合限量

Usage Standard ​

International：

  • EU Regulation 1333/2008 Annex II (E 1518)
  • FDA 21 CFR 172.515 (synthetic flavouring); 21 CFR 184.1903 (GRAS)
  • Codex GSFA (INS 1518)
  • FSANZ Food Standards Code (E 1518)

In a nutshell ​

Triacetin is a synthetic solvent/plasticiser also used to prevent mould in chewing gum, safe with no ADI limit.

Consumer Advice ​

Triacetin (glyceryl triacetate) is an ester of glycerol and acetic acid, used in food as a humectant, solvent, plasticizer, and firming agent, and in chewing gum bases and flavor carriers. It is safe within approved limits, is synthetically produced with no animal ingredients, and leaves only trace residues when used according to regulations.

Dietary Restrictions ​

  • Vegan: ✅
  • Halal: ✅
  • Kosher: ✅

Allergens ​

✅ Free from common allergens

Disclaimer ​

The information provided here is for discussion and educational purposes only. It is not medical advice or an evaluation/rating of any product or ingredient. This information may not apply to you; before using or taking any action, you should contact the manufacturer, vendor, medical, dietary, fitness, or other professionals. If you use any information provided here, you do so at your own risk.